21666204

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 66594528

約数和(自身を除く): 44928324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 81, 82, 84, 108, 123, 126, 162, 164, 189, 233, 246, 252, 287, 324, 369, 378, 466, 492, 567, 574, 699, 738, 756, 861, 932, 1107, 1134, 1148, 1398, 1476, 1631, 1722, 2097, 2214, 2268, 2583, 2796, 3262, 3321, 3444, 4194, 4428, 4893, 5166, 6291, 6524, 6642, 7749, 8388, 9553, 9786, 10332, 12582, 13284, 14679, 15498, 18873, 19106, 19572, 23247, 25164, 28659, 29358, 30996, 37746, 38212, 44037, 46494, 57318, 58716, 66871, 75492, 85977, 88074, 92988, 114636, 132111, 133742, 171954, 176148, 200613, 257931, 264222, 267484, 343908, 401226, 515862, 528444, 601839, 773793, 802452, 1031724, 1203678, 1547586, 1805517, 2407356, 3095172, 3611034, 5416551, 7222068, 10833102, 21666204]

約数ペア:

[(1, 21666204), (2, 10833102), (3, 7222068), (4, 5416551), (6, 3611034), (7, 3095172), (9, 2407356), (12, 1805517), (14, 1547586), (18, 1203678), (21, 1031724), (27, 802452), (28, 773793), (36, 601839), (41, 528444), (42, 515862), (54, 401226), (63, 343908), (81, 267484), (82, 264222), (84, 257931), (108, 200613), (123, 176148), (126, 171954), (162, 133742), (164, 132111), (189, 114636), (233, 92988), (246, 88074), (252, 85977), (287, 75492), (324, 66871), (369, 58716), (378, 57318), (466, 46494), (492, 44037), (567, 38212), (574, 37746), (699, 30996), (738, 29358), (756, 28659), (861, 25164), (932, 23247), (1107, 19572), (1134, 19106), (1148, 18873), (1398, 15498), (1476, 14679), (1631, 13284), (1722, 12582), (2097, 10332), (2214, 9786), (2268, 9553), (2583, 8388), (2796, 7749), (3262, 6642), (3321, 6524), (3444, 6291), (4194, 5166), (4428, 4893)]